Which represents the greatest time frame in which a short-term environmental change can occur? A)in days. B)in minutes. C)over hundreds of years. D)over thousands of years.

Over hundreds of years

Explanation:

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a c d and f

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> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.